Oscars 2012
Anne Hathaway's Seven Oscars Changes
The co-host had an action-packed night – in wardrobe!
More from PEOPLE
BOYS' CLUB
To show off her soprano (and poke fun at former host Hugh Jackman), the star borrowed from the boys in a Lanvin black satin shawl collared tuxedo with jeweled button, custom Swarovski-crystal-studded Brian Atwood pumps and Tiffany & Co. diamond earrings and ring.
